People gather in a room for X-Men auditions, with a woman dressed as Mystique holding a script.

Kroll reported that auditions for the film began in May 2026, and it had the most active casting process of the year.[55][2] Various actors were rumored to be starring in the film over the following months.[56] Kroll reported that a final group of contenders tested after the Independence Day holiday,[55][2] and the search for an actress to portray Emma Frost had been particularly thorough.[4] Later in July, Inde Navarrette revealed that she met with Schreier about the X-Men film, among other meetings she had following her breakthrough role in the film Obsession (2025), and said she was interested in playing Mystique.[57] In the last week of July 2026, after meeting with various candidates, Schreier and Feige settled on Samara Weaving and Kit Connor to portray Frost and Scott Summers / Cyclops, respectively; Weaving's casting was revealed on July 31, followed by Connor's a week later.[4][2] Sneider reported that Drew Starkey was an early contender for Cyclops, Cooper Hoffman tested for the role, and Asa Butterfield was the runner-up. He also reported that Charles Melton was nearing a deal to portray Hank McCoy / Beast, and Coogler was involved in the casting for Ororo Munroe / Storm because she was expected to appear in Black Panther III, which was entering pre-production within two weeks of the X-Men film.[58][59][60] Aaron Couch and Borys Kit, writing for The Hollywood Reporter's Heat Vision newsletter, said the Butterfield report was incorrect and it was Asa Germann who Mehr sehen